Observation of masticatory efficiency of molar with furcation involvement after separating roots 分根术治疗磨牙根分叉病变对咀嚼效率的影响
After technology improvement, the used material reduces, and the crack, shrinkage cavity of end face and puckering don't exist in the furcation part. 工艺改进后,材料减少,原来存在的裂纹、缩口以及接头处参差不齐的问题得到彻底地解决。
Clinical Study of Collagen Membrane Associated with Calcium Phosphate Cement treatment of Grade ⅱ Furcation Involvement 胶原膜与磷酸钙骨水泥联合治疗Ⅱ度根分叉病变的临床研究
Conclusion: Amalgam post and core technique is conservative in restoring molars for its curved root canal, big root furcation and large pulp chamfer. 结论:对于根管弯曲、叉大、室大或C型根管的磨牙,银汞桩核修复效果良好。
A double cycle furcation chaos machine and operation implement make it work fleetly and safely. 而一个倍周期分叉混沌发生器和异或运算器使得加密快速而安全。
Hair furcation because the surface layer ( or periostracum) of hair stem has been already damaged. 头发分叉是因为毛干的表层(或角质层)已经损坏。
Study on the Implantation of Nano-calcium Phosphate Bone Cement to Canine Artificial Furcation Defects 纳米骨水泥修复根分叉病变的实验研究
We have deliberated about the gradual, furcation selective and cycle of operations in architecture creation process during the long-time research and teaching work. 经过较长时期创作与教学实践的积累,对建筑创作过程所具有的阶段性、分叉选择性和循环性等过程规律进行了系统的研究。
Objective: To observe the clinical treatment effects of VITAPEX paste on the primary molars furcation puncture. 目的:观察VITAPEX糊剂治疗乳磨牙髓底穿通的临床治疗效果。
Clinical research of guide bone regeneration and guide tissue regeneration on bone loss of furcation involvement of periodontitis 引导骨再生术和引导组织再生术治疗牙周根分叉病变的临床研究
Objective: To explore the conservative methods of crown to treat mandibular molars with furcation involvement. 目的:寻求下磨牙根分叉病变的保存治疗及修复方法。
Methods Separating roots was used for the conservative prosthetics of 24 mandibular posterior teeth with furcation involvement. 方法对下颌后牙残根、残冠累及根分叉病变的24个患牙,采用分根法作保存修复。
Methods: Totally 8 molars with Class ⅱ furcation defects of 6 periodontitis patients were treated. 方法:6例患者8颗上、下颌第一或第二磨牙Ⅱ度根分叉病变采用Biomesh膜进行治疗。
Treatment of class II furcation involvement: guided tissue regeneration with atelocollagen membrane 引导性组织再生术治疗Ⅱ度根分叉病变
Cases of basilar artery trunk fusiform aneurysm and 1 case of basilar artery furcation saccular aneurysm were detected in autopsy. There were aneurysm rupture, subarachnoid hemorrhage and swell, necrosis, softening, gliosis of brain tissue confirmed pathologically in all cases. 尸解见基底动脉主干梭形动脉瘤3例、基底动脉分叉部囊状动脉瘤1例,均有动脉瘤破裂、蛛网膜下腔出血(SAH),以及脑组织肿胀、坏死、软化、胶质增生等。
The stresses were mainly distributed at cervical region, furcation and apical area of the mesial-lingual root canal wall. 牙颈部、根分歧和近中舌根管壁根尖部是主要的应力集中区。
Because of the complication and variation in anatomy and cause, the treatment of root furcation lesion was very difficult. 根分叉区病变因其局部解剖复杂与多变,致病因素多种多样,病变破坏程度不同,治疗方法虽多但疗效不满意。
Conclusion As long as the furcation involvement was controled and the occlusal force was reduced, the conservative prosthetics could not only restore the morphology and function of the teeth, but also made it possible for some cases that could not be fixed prosthetic. 结论只要控制根分叉感染,适当减小患牙的牙合力,保存修复不但能恢复患牙本身的形态和功能,尚能使一些不能做固定修复的病例变为可能。
Conclusions There are no lymph nodes under the furcation of thoracodorsal artery in most cases. 结论多数病例胸背动脉分叉平面以下组织内不存在淋巴结。
Clinical Evaluation of Dental CT and Three-dimensional Reconstruction Compared with Conventional Radiography in the Diagnosis of Molar Furcation Involvement DentalCT及三维重建与X线牙片比较在磨牙根分叉病变诊断中的临床价值
After surgery 12 month, the gain of periodontal attachment, the decrease of pocket depth, the reduction of probing depth in furcation area, the increase of alveolar bone's height showed more significant difference between the two groups ( P < 0.01). 术后12个月,牙周附着获得、牙周袋深度减少、根分叉探入深度减少和牙槽骨高度增加等指标差异有极显著意义(P<001)。
CONCLUSION: The periodontal bone defect of furcation can be fully repaired with MSC transplantation without epithelium and connective growed into. 结论:MSC移植可加快牙槽骨的再生,治疗牙周骨缺损的研究和应用是可行的。
Conclusion: The casted post after root canal therapy can save the molars with furcation involvement and restore the functions of them. 结论:对下颌磨牙难治性根分叉病变采取根管治疗后分根,桩冠修复可以保留患牙,恢复磨牙功能。
This paper studies the influence on the flame transmission law in gas explosion of tube furcation. 在实验的基础上,研究了管道分叉对瓦斯爆炸过程中火焰传播规律的重要影响。管道分叉时,产生附加湍流,使瓦斯爆炸过程中火焰的传播速度迅速提高。
Clinical analysis of the therapy and crown of mandibular molars with furcation involvement 下磨牙根分叉病变治疗与修复的临床探讨
Conclusion: Root trunk concavities may cause furcation involvement and reduce the efficacy of periodontal therapy. 结论:根柱凹陷可能是造成根分叉病变的原因,并可能是导致牙周治疗效果欠佳的原因。
For a multi echelon storage system, the connection between its optimal stock level and distribution structure ( echelon number and furcation degree) is obtained by combination of theoretical analysis and numerical calculation, supplying a significant reference for the design of distribution structure. 对于多级库存系统,通过理论分析与数值计算相结合的方法,给出了安全库存与配送结构(层次数与分叉度)之间的联系,其结果对配送结构设计具有很大的参考价值。
Methods Hemisections were performed on reserved canals of incomplete tooth fracture, complete root fracture and furcation involvement after root canal therapy. 方法选择隐裂、根折或根分叉病变患者,对欲保留牙根进行根管治疗后,行半牙切除术。
Research on treatment effection of furcation involvement by windowing in the pulp chamber floor 髓室底开窗术治疗根分叉区病变临床研究
The principles of single contour connection, furcation processing and triangular patch division of end face have been introduced in great detail with specific algorithms. 首先详细地介绍了单轮廓连接、分叉处理及端面三角面片剖分原理,同时给出相关具体算法。